404554545445000 has 40 divisors (see below), whose sum is σ = 947871299989350. Its totient is φ = 161821818176000.

The previous prime is 404554545444991. The next prime is 404554545445003. The reversal of 404554545445000 is 544545455404.

It can be written as a sum of positive squares in 5 ways, for example, as 574051706244 + 403980493738756 = 757662^2 + 20099266^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (404554545445003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 40455449545 + ... + 40455459544.

Almost surely, 2^{404554545445000} is an apocalyptic number.

404554545445000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

404554545445000 is an abundant number, since it is smaller than the sum of its proper divisors (543316754544350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404554545445000 is an equidigital number, since it uses as much as digits as its factorization.

404554545445000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80910909115 (or 80910909096 counting only the distinct ones).

The product of its (nonzero) digits is 12800000, while the sum is 49.

The spelling of 404554545445000 in words is "four hundred four trillion, five hundred fifty-four billion, five hundred forty-five million, four hundred forty-five thousand".